| 摘要 |
A control unit of a copying machine, including an optical scanning mechanism for scanning a manuscript surface having a picture image; a photosensitive substance rotating synchronously with scanning of the optical scanning mechanism, on which an electrostatic latent image corresponding to the picture image is formed; developing apparatus for developing the electrostatic latent image; first reference signal generator for generating a first reference signal representing a rotational reference position of the photosensitive substance rotated synchronously with the rotation of the photosensitive substance; first controller for controlling a rotational position of the photosensitive substance according to the reference signal generated from the reference signal generator; transfer apparatus for transferring a image developed through the developing apparatus to a recording paper; second reference signal generator for generating a second reference signal representing a reference for forming an initiation position of the electrostatic latent image; third reference signal generator for generating a third reference signal representing a reference for a transfer initiation position synchronously with the transfer operation of the transfer apparatus; and timing signal generator for generating timing signals representing a grip timing for the recording paper synchronously with the transfer operation of said transfer apparatus.
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